package top.sigetech.springcloud.service.impl;

import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.stream.annotation.EnableBinding;
import org.springframework.cloud.stream.messaging.Source;
import org.springframework.messaging.MessageChannel;
import org.springframework.messaging.support.MessageBuilder;
import top.sigetech.springcloud.service.IMessageProvider;

import java.util.UUID;

@Slf4j
@EnableBinding(Source.class)  //  定义消息推送管道
public class MessageProvierImpl implements IMessageProvider {
    @Autowired
    private MessageChannel output;  // 消息发送管道


    @Override
    public String send() {
        String serial = UUID.randomUUID().toString();
        output.send(MessageBuilder.withPayload(serial).build());
        log.debug("发送消息：{}", serial);
        return serial;
    }
}
